Home / 66,850.46-100,331.08-33,580.04

Finding the Fourth Proportional to 66,850.46, 100,331.08 and 33,580.04

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Solution

The fourth proportional to 66,850.46, 100,331.08 and 33,580.04 is: 50,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850.46 : 100,331.08 = 33,580.04 : x
  2. Step 2: Convert to fraction form
    66,850.46/100,331.08 = 33,580.04/x
  3. Step 3: Cross multiply
    66,850.46x = 100,331.08 × 33,580.04
  4. Step 4: Simplify right side
    66,850.46x = 3,369,121,679.64
  5. Step 5: Solve for x
    x = 3,369,121,679.64/66,850.46
  6. Step 6: Final answer
    x = 50,397.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.